package hib;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for Surl
 * entities. Transaction control of the save(), update() and delete() operations
 * can directly support Spring container-managed transactions or they can be
 * augmented to handle user-managed Spring transactions. Each of these methods
 * provides additional information for how to configure it for the desired type
 * of transaction control.
 * 
 * @see hib.Surl
 * @author MyEclipse Persistence Tools
 */

public class SurlDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory.getLogger(SurlDAO.class);
	// property constants
	public static final String URL = "url";

	public void save(Surl transientInstance) {
		log.debug("saving Surl instance");
		Session session=null;
		Transaction tran=null;
		try {
			session=getSession();
			tran=session.beginTransaction();
			session.save(transientInstance);
			tran.commit();
			log.debug("save successful");
		} catch (RuntimeException re) {
			tran.rollback();
			log.error("save failed", re);
			throw re;
		}finally{
			if(session!=null)
				session.close();
		}
	}

	public void delete(Surl persistentInstance) {
		log.debug("deleting Surl instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Surl findById(java.lang.Integer id) {
		log.debug("getting Surl instance with id: " + id);
		Session session=null;
		try {
			session=getSession();
			Surl instance = (Surl)session.get("hib.Surl", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}finally{
			if(session!=null)
				session.close();
		}
	}

	public List findByExample(Surl instance) {
		log.debug("finding Surl instance by example");
		try {
			List results = getSession().createCriteria("hib.Surl").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Surl instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Surl as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByUrl(Object url) {
		return findByProperty(URL, url);
	}

	public List findAll() {
		log.debug("finding all Surl instances");
		try {
			String queryString = "from Surl";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Surl merge(Surl detachedInstance) {
		log.debug("merging Surl instance");
		try {
			Surl result = (Surl) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Surl instance) {
		log.debug("attaching dirty Surl instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Surl instance) {
		log.debug("attaching clean Surl instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}